Pionono de dulce de lecheDulce de leche sponge roll
Pionono is the flat, springy sponge sheet that Argentine supermarkets sell ready-made for party rolls; at home it takes 10 minutes to bake and makes a far lighter roll. The sweet version, filled with dulce de leche and softly whipped cream, is a birthday and Sunday-tea classic in Buenos Aires and Córdoba, cut into spirals that show off the swirl. Savoury piononos rolled around ham, cheese, tomato and mayonnaise are just as common at parties; this one is the sweet, vegetarian kind. The sponge is a fatless, egg-rich batter that relies on air, so whisk the eggs until they hold a trail for several seconds. Most cracked rolls come from letting the sponge cool flat before rolling. Chef's tip: turn the hot sponge out onto a clean tea towel dusted with sugar, peel off the paper and roll it up in the towel while warm, then unroll to fill once cool; it remembers the shape and doesn't split.

































